JPS61151699U - - Google Patents

Info

Publication number

JPS61151699U

JPS61151699U JP3395185U JP3395185U JPS61151699U JP S61151699 U JPS61151699 U JP S61151699U JP 3395185 U JP3395185 U JP 3395185U JP 3395185 U JP3395185 U JP 3395185U JP S61151699 U JPS61151699 U JP S61151699U

Authority

JP

Japan

Prior art keywords

negative pressure

pressure box

connection port

utility

opening

Prior art date

1985-03-08

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

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